Guppy vs Rainbowfish
Side-by-side care comparison to help you choose.
| Guppy | Rainbowfish | |
|---|---|---|
| Difficulty | Beginner | Beginner |
| Adult size | 1.5-2.5 inches | 3-4 inches |
| Lifespan | 2-3 years | 5-8 years |
| Min tank size | 10 gallons | 30 gallons |
| Water temp | 74-82°F | 74-82F |
| pH | 6.8-7.8 | 6.5-8.0 |
| Temperament | peaceful | peaceful |
| Tank mates | Other peaceful community fish like tetras, rasboras, corydoras, mollies, and platies. | Peaceful community fish like tetras, rasboras, and corydoras. |
| Diet | Omnivorous; feed high-quality flake food daily, supplemented with live or frozen foods like brine shrimp or daphnia 2-3 times per week. | Omnivorous; feed high-quality flake or pellet daily supplemented with frozen or live foods 2-3 times per week. |